package com.firexxx;

/**
 * @description: TODO

 * @author: zhuangzhang2
 * @date: 2020/8/29 14:43
 */
public class TestMain {

    static class A<T> {
        public T get(T t) {
            return null;
        }
    }

    static class B extends A<String> {

        public String get(String s) {
            return "";
        }
    }

//    class Param<T> {}
//    class Test<T1 extends T2, T2> {
//        Test<Param<Integer>, Param<String>> x;
//    }

    public static void main(String[] args) {
        A a = new B();
        a.get(1);
    }

}
